The Serval Project // Making Mobile Communications Secure

Paul Gardner-Stephen

  • 3G GSM not very secure - cracked in 2 hours

Serval Project

  • Focus on replicating mobile phone capabilities for disaster relief
  • Use infrastructure when possible, but not require it
  • Encrypted Voice
  • Encrypted SMS
  • Encrypted File and Data Dissemination
  • Crowd Sourced Mapping
  • Has APIs


  • IPv4, IPv6 and SIP is not the solution
    • too bloated, and CA cert issues